MAX2371 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX2371 Datasheet PDF : 10 Pages
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LNAs with Step Attenuator and VGA
Typical Operating Characteristics (continued)
(MAX2371/MAX2373 EV Kits, VCC = 2.775V, RX_EN = high, RSET = 1.1kΩ, LNA_I = high, TA = +25°C. For MAX2371, fRF = 150MHz;
for MAX2373, fRF = 900MHz, unless otherwise noted.)
MAX2373
GAIN vs. FREQUENCY
20
RF_ATTN = LOW
15
10
5 TA = -40°C TA = +25°C TA = +85°C
0
-5
RF_ATTN = HIGH
-10
840 860 880 900 920 940
FREQUENCY (MHz)
P1dB vs. VAGC
10.0
5.0
RF_ATTN = HIGH
0
-5.0 TA = -40°C TA = +25°C TA = 85°C
-10.0
-15.0
RF_ATTN = LOW
-20.0
-25.0
1.2
1.7
2.2
2.7
VAGC (V)
GAIN vs. VAGC
20
RF_ATTN = LOW
10
0
-10
-20 TA = -40°C
-30
TA = +25°C
-40
-50
1.2
TA = +85°C
RF_ATTN = HIGH
1.6
2.0
2.4
2.8
VAGC (V)
NOISE FIGURE vs. VAGC
30
25
RF_ATTN = HIGH
20
15
RF_ATTN = LOW
10
5
0
1.2
1.7
2.2
2.7
VAGC (V)
S11, S22, S12 vs. VAGC
0
-5 S11
-10
-15
S22
-20
-25 S11
-30
RF_ATTN = LOW
-35
RF_ATTN = HIGH
-40 S12
-45
-50
1.2
1.7
2.2
2.7
VAGC (V)
IIP3 vs. VAGC
20
RF_ATTN = HIGH
15
10
5 TA = -40°C
TA = +25°C TA = +85°C
0
-5
-10
RF_ATTN = LOW
-15
1.3 1.4 1.5 1.6 1.7 1.8
VAGC (V)
S11, S22, S12 vs. FREQUENCY
0
-5
S11
-10
-15 S22
-20
-25 S11
-30 RF_ATTN = LOW
RF_ATTN = HIGH
-35
-40
S12
-45
-50
840 860 880 900 920 940
FREQUENCY (MHz)
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